Biological interlocked Process Ontology for metabolism	Ontology of Chemical Elements	Source
http://purl.obolibrary.org/obo/CHEBI_25212	http://purl.obolibrary.org/obo/BiPOm#metabolite	LOOM
http://purl.obolibrary.org/obo/CHEBI_23367	http://purl.obolibrary.org/obo/BiPOm#molecular_entity	LOOM